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虽然胃癌的发病率正在不断下降,但仍是死亡率位居全球第二位的恶性肿瘤~([1])。胃癌在东亚地区高发,我国每年的胃癌新发病例占全世界的40%。与日本、韩国高达60%~70%的胃癌早期诊断率不同,我国的早期胃癌诊断率低,70%为进展期或晚期胃癌~([2])。其中不可切除胃癌约占10%,中位生存期仅5~12个月~([3]),5年生存率约10%~([4])。
Although the incidence of gastric cancer is declining, it is still the second most malignant tumor in the world with the highest mortality rate ([1]). High incidence of gastric cancer in East Asia, China’s annual new cases of gastric cancer accounts for 40% of the world. With Japan, South Korea as high as 60% to 70% of the early diagnosis of gastric cancer is different, the early diagnosis of gastric cancer in China is low, 70% of advanced or advanced gastric cancer ~ ([2]). Including unresectable gastric cancer accounts for about 10%, the median survival of only 5 ~ 12 months ~ ([3]), 5-year survival rate of about 10% ~ ([4]).